BEAMING IN GAMMA-RAY BURSTS: EVIDENCE FOR A STANDARD ENERGY RESERVOIR

@article{Frail2001BEAMINGIG,
  title={BEAMING IN GAMMA-RAY BURSTS: EVIDENCE FOR A STANDARD ENERGY RESERVOIR},
  author={D. Frail and S. Kulkarni and R. Sari and S. Djorgovski and J. Bloom and T. Galama and D. Reichart and E. Berger and F. Harrison and P. Price and S. A. Yost and A. Diercks and R. Goodrich and F. Chaffee},
  journal={The Astrophysical Journal},
  year={2001},
  volume={562}
}
  • D. Frail, S. Kulkarni, +11 authors F. Chaffee
  • Published 2001
  • Physics
  • The Astrophysical Journal
  • We present a comprehensive sample of all gamma-ray burst (GRB) afterglows with known distances, and we derive their conical opening angles based on observed broadband breaks in their light curves. Within the framework of this conical jet model, we correct for the geometry and we find that the gamma-ray energy release is narrowly clustered around 5 × 10^(50) ergs. We draw three conclusions. First, the central engines of GRBs release energies that are comparable to ordinary supernovae. Second… CONTINUE READING
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